Fix incorrect licensing tag on menu.ogg and credits.ogg. Cf. #282.
Finnish translation: Change Maryo to Alex
Update sprite’s rotation when the start direction is set from the scripting API.

Fixes #287.
Rename Mushroom -> Berry in mruby scripting API.
Fix broken fireplant link in scripting API docs
Rename Turtle -> Armadillo in mruby scripting API.
Fix mruby fetching incorrect class names for renamed stuff.
Rename goldpiece/waffle to jewel in mruby scripting API.
Replace all occurences of “Maryo” in the scripting API docs with “Alex”.
Fix docs generator crash on missing icon file
Merge branch 'mruby-api-naming' into release-2.0.0
Merge branch 'release-2.0.0' into devel

Conflicts:
	tsc/src/scripting/objects/misc/mrb_level_player.cpp